Heat and its effects

What is sea breeze?

• The cool air from the sea blowing towards the land

• The cool air from the land blowing towards the sea

What is the picture showing ?

• Sea breeze

• Land breeze

• Wind breeze

• Pressure Breeze

Heat effects are-

• Chemical change ,Change in temperature

• Evaporation , Change in temperature

• Change in dimension , Distillation

Temperature of an object is measured with a/an .....................

• barometer

• lactometer

• thermometer

• electrometer

the range of a clinical thermometer is from 35*C to

• 40*C

• 42*C

• 44*C

• 45*C

The sensation of hotness or coldness is caused by ..................... ENERGY

• magnetic

• electrical

• heat

• mechanical

Conduction of heat takes place only in .................

• Solids

• Liquids

• Gases

• Air

Pressure cookers are provided with .................... handles

• copper

• bakelite

• aluminium

• brass

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

_____ expand the least on heating and _______ the most.

• liquid, solid

• solid, liquid

• solid, gas

• gas, solid